apply: Provide '.' as default repo for git apply
apply: Provide '.' as default repo for git apply

Signed-off-by: Fam Zheng <3fda8cf018b542f405493d78ea980b2545014644@euphon.net>
Reported-by: Eduardo Habkost <50373d7c08ceadf576dd7dca718012445b677ce6@raisama.net>
Link: https://github.com/patchew-project/patchew/issues/125

patchew-project/patchew,patchew-project/patchew,patchew-project/patchew,patchew-project/patchew